Institute Newton C. Braga

Circuit Bench

Flat response amplifier CIR16474S CB9390E (CB9390E)
This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today....
32 V x 3A power supply (CB15768E)
This simple source is suitable for audio amplifiers providing an output voltage of 32 V with a...
Dynamic Microphone Preamplifier (CB12829E)
This circuit was found in an old publication from the 1970s. Despite using germanium transistors, it can...